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fc8064f204
git-svn-id: http://svn.osgeo.org/postgis/trunk@13322 b70326c6-7e19-0410-871a-916f4a2858ee
176 lines
5.6 KiB
C
176 lines
5.6 KiB
C
/**********************************************************************
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* $Id: cu_print.c 6160 2010-11-01 01:28:12Z pramsey $
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*
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* PostGIS - Spatial Types for PostgreSQL
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* http://postgis.net
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* Copyright 2008 Paul Ramsey
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU General Public Licence. See the COPYING file.
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*
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**********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "CUnit/Basic.h"
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#include "liblwgeom_internal.h"
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#include "cu_tester.h"
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static void test_misc_force_2d(void)
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{
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LWGEOM *geom;
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LWGEOM *geom2d;
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char *wkt_out;
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geom = lwgeom_from_wkt("CIRCULARSTRINGM(-5 0 4,0 5 3,5 0 2,10 -5 1,15 0 0)", LW_PARSER_CHECK_NONE);
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geom2d = lwgeom_force_2d(geom);
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wkt_out = lwgeom_to_ewkt(geom2d);
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CU_ASSERT_STRING_EQUAL("CIRCULARSTRING(-5 0,0 5,5 0,10 -5,15 0)",wkt_out);
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lwgeom_free(geom);
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lwgeom_free(geom2d);
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lwfree(wkt_out);
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geom = lwgeom_from_wkt("GEOMETRYCOLLECTION(POINT(0 0 0),LINESTRING(1 1 1,2 2 2),POLYGON((0 0 1,0 1 1,1 1 1,1 0 1,0 0 1)),CURVEPOLYGON(CIRCULARSTRING(0 0 0,1 1 1,2 2 2,1 1 1,0 0 0)))", LW_PARSER_CHECK_NONE);
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geom2d = lwgeom_force_2d(geom);
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wkt_out = lwgeom_to_ewkt(geom2d);
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CU_ASSERT_STRING_EQUAL("GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(1 1,2 2),POLYGON((0 0,0 1,1 1,1 0,0 0)),CURVEPOLYGON(CIRCULARSTRING(0 0,1 1,2 2,1 1,0 0)))",wkt_out);
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lwgeom_free(geom);
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lwgeom_free(geom2d);
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lwfree(wkt_out);
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}
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static void test_misc_simplify(void)
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{
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LWGEOM *geom;
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LWGEOM *geom2d;
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char *wkt_out;
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geom = lwgeom_from_wkt("LINESTRING(0 0,0 10,0 51,50 20,30 20,7 32)", LW_PARSER_CHECK_NONE);
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geom2d = lwgeom_simplify(geom,2);
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wkt_out = lwgeom_to_ewkt(geom2d);
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CU_ASSERT_STRING_EQUAL("LINESTRING(0 0,0 51,50 20,30 20,7 32)",wkt_out);
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lwgeom_free(geom);
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lwgeom_free(geom2d);
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lwfree(wkt_out);
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geom = lwgeom_from_wkt("MULTILINESTRING((0 0,0 10,0 51,50 20,30 20,7 32))", LW_PARSER_CHECK_NONE);
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geom2d = lwgeom_simplify(geom,2);
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wkt_out = lwgeom_to_ewkt(geom2d);
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CU_ASSERT_STRING_EQUAL("MULTILINESTRING((0 0,0 51,50 20,30 20,7 32))",wkt_out);
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lwgeom_free(geom);
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lwgeom_free(geom2d);
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lwfree(wkt_out);
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}
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static void test_misc_count_vertices(void)
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{
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LWGEOM *geom;
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int count;
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geom = lwgeom_from_wkt("GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,1 1),POLYGON((0 0,0 1,1 0,0 0)),CIRCULARSTRING(0 0,0 1,1 1),CURVEPOLYGON(CIRCULARSTRING(0 0,0 1,1 1)))", LW_PARSER_CHECK_NONE);
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count = lwgeom_count_vertices(geom);
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CU_ASSERT_EQUAL(count,13);
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lwgeom_free(geom);
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geom = lwgeom_from_wkt("GEOMETRYCOLLECTION(CIRCULARSTRING(0 0,0 1,1 1),POINT(0 0),CURVEPOLYGON(CIRCULARSTRING(0 0,0 1,1 1,1 0,0 0)))", LW_PARSER_CHECK_NONE);
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count = lwgeom_count_vertices(geom);
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CU_ASSERT_EQUAL(count,9);
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lwgeom_free(geom);
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geom = lwgeom_from_wkt("CURVEPOLYGON((0 0,1 0,0 1,0 0),CIRCULARSTRING(0 0,1 0,1 1,1 0,0 0))", LW_PARSER_CHECK_NONE);
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count = lwgeom_count_vertices(geom);
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CU_ASSERT_EQUAL(count,9);
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lwgeom_free(geom);
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geom = lwgeom_from_wkt("POLYGON((0 0,1 0,0 1,0 0))", LW_PARSER_CHECK_NONE);
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count = lwgeom_count_vertices(geom);
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CU_ASSERT_EQUAL(count,4);
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lwgeom_free(geom);
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geom = lwgeom_from_wkt("CURVEPOLYGON((0 0,1 0,0 1,0 0),CIRCULARSTRING(0 0,1 0,1 1,1 0,0 0))", LW_PARSER_CHECK_NONE);
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count = lwgeom_count_vertices(geom);
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CU_ASSERT_EQUAL(count,9);
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lwgeom_free(geom);
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}
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static void test_misc_area(void)
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{
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LWGEOM *geom;
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double area;
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geom = lwgeom_from_wkt("LINESTRING EMPTY", LW_PARSER_CHECK_ALL);
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area = lwgeom_area(geom);
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CU_ASSERT_DOUBLE_EQUAL(area, 0.0, 0.0001);
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lwgeom_free(geom);
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}
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static void test_misc_wkb(void)
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{
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static char *wkb = "010A0000000200000001080000000700000000000000000000C00000000000000000000000000000F0BF000000000000F0BF00000000000000000000000000000000000000000000F03F000000000000F0BF000000000000004000000000000000000000000000000000000000000000004000000000000000C00000000000000000010200000005000000000000000000F0BF00000000000000000000000000000000000000000000E03F000000000000F03F00000000000000000000000000000000000000000000F03F000000000000F0BF0000000000000000";
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LWGEOM *geom = lwgeom_from_hexwkb(wkb, LW_PARSER_CHECK_ALL);
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char *str = lwgeom_to_wkt(geom, WKB_ISO, 8, 0);
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CU_ASSERT_STRING_EQUAL(str, "CURVEPOLYGON(CIRCULARSTRING(-2 0,-1 -1,0 0,1 -1,2 0,0 2,-2 0),(-1 0,0 0.5,1 0,0 1,-1 0))");
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lwfree(str);
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lwgeom_free(geom);
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}
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static void test_grid(void)
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{
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gridspec grid;
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static char *wkt = "MULTIPOLYGON(((0 0, 10 0, 10 10, 0 10, 0 0)))";
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LWGEOM *geom = lwgeom_from_wkt(wkt, LW_PARSER_CHECK_ALL);
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LWGEOM *geomgrid;
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char *str;
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grid.ipx = grid.ipy = 0;
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grid.xsize = grid.ysize = 20;
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geomgrid = lwgeom_grid(geom, &grid);
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str = lwgeom_to_ewkt(geomgrid);
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CU_ASSERT_STRING_EQUAL(str, "MULTIPOLYGON EMPTY");
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lwfree(str);
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lwgeom_free(geom);
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lwgeom_free(geomgrid);
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}
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static void test_rect_count(void)
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{
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GBOX box;
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int n;
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static char *wkt = "MULTIPOLYGON(((0 0, 10 0, 10 10, 0 10, 0 0)))";
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LWGEOM *geom = lwgeom_from_wkt(wkt, LW_PARSER_CHECK_ALL);
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box.xmin = -5; box.ymin = -5;
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box.xmax = 5; box.ymax = 5;
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n = lwgeom_npoints_in_rect(geom, &box);
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CU_ASSERT_EQUAL(2, n);
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box.xmin = -5; box.ymin = -5;
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box.xmax = 15; box.ymax = 15;
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n = lwgeom_npoints_in_rect(geom, &box);
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CU_ASSERT_EQUAL(5, n);
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}
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/*
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** Used by the test harness to register the tests in this file.
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*/
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void misc_suite_setup(void);
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void misc_suite_setup(void)
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{
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CU_pSuite suite = CU_add_suite("miscellaneous", NULL, NULL);
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PG_ADD_TEST(suite, test_misc_force_2d);
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PG_ADD_TEST(suite, test_misc_simplify);
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PG_ADD_TEST(suite, test_misc_count_vertices);
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PG_ADD_TEST(suite, test_misc_area);
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PG_ADD_TEST(suite, test_misc_wkb);
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PG_ADD_TEST(suite, test_grid);
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PG_ADD_TEST(suite, test_rect_count);
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}
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